The Mel Bay Harmonica Wall Chart information for both diatonic and chromatic harmonica players.

Included for diatonic harmonica:

A chart of notes for all major keys and relative positions
Note layout for standard draw and blow bending
Note layout for over-bending
Lee Oskar altered tunings, and
The most common scales

For chromatic harmonica, the chart shows:

Note layout for 10, 12 and 16 hole chromatic harmonicas, and
Complete major and minor scales along with common modes